Research Article
Copper- and Ligand-Free Sonogashira Cross-Coupling: Access to Novel 3-Aminoindole Derivatives and Their Biological Evaluations
Table 2
3-Aminoindole derivatives and their percentage yields.
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| | Iodoaniline 9 | R 1 | 10 (% Yield) |
| | 9a | | 10a (80) | | 10b (68) | | 10c (80) |
| | 9b | | 10d (83) | | 10e (70) | | 10f (73) | | 10g (70) | | 10h (98) |
| | 9c | | 10i (50) | | 10j (83) |
| | 9d | | 10k (66) | | 10l (75) | | 10m (89) | | 10n (50) | | 10o (83) |
| | 9e | | 10p (65) | | 10q (76) | | 10r (41) | | 10s (81) | | 10t (95) |
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